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18-05.-2007, 10:44 PM
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#1 |
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Registered User
Join Date: Jun 2006
Posts: 1,172
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New Fixed Gearhub
OK, so it's only approximately like a gearhub. It's not spelled out on the site but I believe the gearshifting action does not depend on freewheels like other gearhubs do and could be used as a fixed gear.
http://www.fallbrooktech.com/ATC_Bi...et_022007v3.pdf I think they're distributing the bare hubs through some company called Staton as well as the other listings, which involve complete bikes. |
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19-05.-2007, 08:53 AM
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#2 | |
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Registered User
Join Date: May 2007
Location: Iowa City
Posts: 12
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Re: New Fixed Gearhub
Quote:
The link didn't work for me... broken. I went over to their website though... why would you use the nuvinci hub for a fixed gear? A fixed gear hub is already pretty darned simple. |
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19-05.-2007, 09:09 AM
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#3 | |
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Registered User
Join Date: Jun 2006
Posts: 1,172
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Re: New Fixed Gearhub
Quote:
All right, so it would be a niche application. Last edited by garage sale GT : 19-05.-2007 at 11:23 AM. |
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19-05.-2007, 11:59 AM
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#4 | |
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Registered User
Join Date: May 2007
Location: Iowa City
Posts: 12
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Re: New Fixed Gearhub
Quote:
The website focused on the hub's simplicity as a major plus... keep in mind, like I said, the link to the pdf you posted didn't work for me. So... what you're suggesting is that you could use the nuvinci hub to switch between different rear "cogs"? Maybe I'm missing something major that was contained in that pdf, like say... when they specifically describe it's application for fixed gears? Unless they engineer a version for fixed-gears, I'd be concerned about durability... Last edited by tinydr : 19-05.-2007 at 12:13 PM. |
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19-05.-2007, 09:58 PM
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#5 | |
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Registered User
Join Date: Jun 2006
Posts: 1,172
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Re: New Fixed Gearhub
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19-05.-2007, 11:40 PM
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#6 | |
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Registered User
Join Date: May 2007
Location: Iowa City
Posts: 12
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Re: New Fixed Gearhub
Quote:
It "could" work in both directions, but does it currently? I said I had concerns about durability, e.g. when you're going from cranking forward to kick stopping... they say their hub is crazy durable, and I'm sure that's true, but I'd still be concerned about putting stresses on the internal components of the hub that it wasn't designed for... At this stage, the hub they've designed is for use on utility/comfort bikes... nowhere that I saw did they discuss its use with a fixed... so I'm not so sure they have engineered the input side of the hub to engage the output side of the hub in both directions... unless you've read different? |
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20-05.-2007, 12:19 AM
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#7 | |
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Registered User
Join Date: Jun 2006
Posts: 1,172
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Re: New Fixed Gearhub
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11-07.-2007, 02:40 AM
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#8 |
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Registered User
Join Date: Jan 2006
Posts: 6
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Re: New Fixed Gearhub
bump up. Anyone have any further info on this CVT hub?
From the drawings it doesn't appear to have a lockring thread. And the ISO disc pattern can only be used on the left (outer hubshell) side. The cog drives the right (inner) side of the hub. |
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